Finding the Fourth Proportional to 26,187,082.27, 39,280,626.49 and 7,991,372.81
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Solution
The fourth proportional to 26,187,082.27, 39,280,626.49 and 7,991,372.81 is: 11,987,060.16
Step by Step Solution
- Step 1: Write the proportion equation
26,187,082.27 : 39,280,626.49 = 7,991,372.81 : x - Step 2: Convert to fraction form
26,187,082.27/39,280,626.49 = 7,991,372.81/x - Step 3: Cross multiply
26,187,082.27x = 39,280,626.49 × 7,991,372.81 - Step 4: Simplify right side
26,187,082.27x = 313,906,130,491,951.75 - Step 5: Solve for x
x = 313,906,130,491,951.75/26,187,082.27 - Step 6: Final answer
x = 11,987,060.16
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.